Engine Bleed Air Check Valve (900 Config); Engine Bleed Air Check Valve Removal; Engine Bleed Air Check Valve Installation - MD Helicopters MD Explorer Servicing And Maintenance

1. COTTER PIN
2. WASHER
3. CLEVIS PIN
4. CONTROL CABLE
5. FLOW CONTROL VALVE
6. FOAM (C801)(900 CONFIG)RUBBER (C610)(902
CONFIG)
7. ADHESIVE TAPE (C709)(900 CONFIG) GLASS FABRIC
TAPE (C710)(902 CONFIG)
8. FLEXIBLE COUPLING ASSEMBLY
9. RETAINER
10. SEAL
11. SPACER FITTING (0.625 INCH)
12. SCREW
13. WASHER
14. EJECTOR MOUNTING BRACKET
15. NUT
16. WASHER
17. EJECTOR SCREEN
18. EJECTOR GASKET
10. Engine Bleed Air Check Valve (900
CONFIG)
A. Engine Bleed Air Check Valve Removal
(Ref. Figure 404)
NOTE:
This task is typical for left or right en­
gine.
(1). Open L260 or R260 (Ref. Section
06-00-00).
(2). Disconnect hose assembly (4) or (5)
from check valve (2).
(3). Remove check valve (2).
(4). Remove boss seal (3).
B. Engine Bleed Air Check Valve Installation
(Ref. Figure 404)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C220 Compound, Anti−Seize
NOTE:
This task is typical for left or right en­
gine.
(1). Install boss seal.
MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Legend (Ref. Figure 403)
19. SCREW
20. WASHER
21. AFT CABIN HEAT TUBE ASSEMBLY
22. AFT CABIN HEAT EJECTOR
23. NUT
24. WASHER
25. SCREW
26. WASHER
27. CUSHIONED SUPPORT CLAMP
28. SPACER
29. STANDOFF, COMPOSITE
30. SCREW
31. SPACER
32. GUARD
33. NUT, TUBE COUPLING
34. HANDLE
35. CABLE PLUG
36. NUT
37. ANGLE
(2). Apply anti-seize compound (C220) to
(3). Apply anti-seize compound (C220)to
(4). Close L260 or R260 engine cowl (Ref.
21-40-00
Compound, Anti-Seize (C220)
bleed air fitting and install check valve.
Torque check valve 500-600 in-lb
(56.5-67.8 Nwm).
check valve and connect hose to check
valve. Torque coupling nut 500-600
in-lb (56.5-67.8 Nwm).
Section 06-00-00).
CSP−900RMM−2
Page 411
Revision 28